408,450

2 × 3 × 5² × 7 × 389

Prime Factor Structure

Factorization String 2 × 3 × 5^2 × 7 × 389

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Total Divisors 48

Divisor Sum (σ) 1,160,640

Proper Divisor Sum 752,190

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #408437 ← → #408461

1 2 3 5 6 7 10 14 15 21 25 30 35 42 50 70 75 105 150 175 210 350 389 525 778 1,050 1,167 1,945 2,334 2,723 3,890 5,446 5,835 8,169 9,725 11,670 13,615 16,338 19,450 27,230 29,175 40,845 58,350 68,075 81,690 136,150 204,225 408,450

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

408,450 204,225 612,676 306,338 153,169 459,508 229,754 114,877 344,632 172,316 86,158 43,079 129,238 64,619 193,858 96,929 290,788 145,394 72,697 218,092 109,046 54,523 163,570 81,785 245,356 122,678 61,339 184,018 92,009 276,028 138,014 69,007 207,022 103,511 310,534 155,267 465,802 232,901 698,704 349,352 174,676 87,338 43,669 131,008 65,504 32,752 16,376 8,188 4,094 2,047 6,142 3,071 9,214 4,607 13,822 6,911 20,734 10,367 31,102 15,551

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